Cognomen Mekhdjian (Mekhdjian 
) , around the globe, is a rare last name. The surname Mekhdjian is habitual in Lebanon, where it is a rare surname, Canada, where it is a very rare surname, and Thailand, where it is an extremely rare surname. Not in comparison with a country's population, the name is most common in Lebanon, the United States, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Mekhdjian | Lebanon, Canada, United Kingdom, United States, Thailand |